Cisco CCNA, CCENT, And CompTIA Network And Security Questions: Teardrop Attacks And OSPF

To help you in your preparation for your Cisco CCNA, CCENT, and CCNP exams, here are some free familiarity questions covering everything from OSPF to route redistribution. And for you Network+ and Security+ certification candidates, there are questions for you as well on the OSI representation and SYN attacks. I'll be adding A+ certification questions in future articles.

Let's get started!

CCENT / Network+ Certification:

Does Layer 2 of the OSI model perform error detection, error correction, both, or neither?

Answer: The Data Link layer is capable of error detection, on the other hand not wrongdoing correction.


Security+ Certification:

Briefly describe the purpose of a "SYN cookie".

Answer: One defense against SYN attacks, a SYN cookie verifies the client residence before in reality allocating resources to that client.


CCNA Certification:

What type of OSPF router is defined as "at least one interface in Area 0, and connecting other areas to Area 0"?

A. ASBR

B. ABR

C. Internal

D. Backbone

E. External

Answer: B. That's the volume definition of an Universe Border Router (ABR).



CCNP Certification / BSCI Exam:

What expression is used for the number "2" shown in the below commands?

R2(config)#router rip
R2(config-router)#redistribute ospf 1 metric 2

A. distance

B. administrative distance

C. distance

D. variance

E. seed metric

F. process number

Answer: E. The "2" is the seed metric. The "1" in the redistribute statement is the OSPF process number whose routes are being redistributed into RIP.


CCNP Certification / BCMSN Exam:

In a typical Network Management block, what switch layers are represented?

A. Access

B. Distribution

C. Core

Answers: A, B. In appendix to network management devices, both Access and Distribution switches will be found here.

Look for amassed unrestrained Cisco and CompTIA certification exam practice questions soon! Whether youâ re working on your CCNA, CCENT, CCNP, Network+ or Security+ certification, thereâ s something for you here!

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